html,
body,
#app {
  height: 100%;
  margin: 0;
  padding: 0;
  min-width: 1366px;
}
.clearfix:after {
  content: ".";
  display: block;
  height: 0;
  font-size: 0;
  clear: both;
  visibility: hidden;
}
.clearfix {
  zoom: 1;
}
